Word: lensed
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Yerkes has the world's biggest refractor (a telescope equipped with a lens instead of a mirror) but it is only 40 inches in diameter. For years Struve has pined for a big reflector. One day he walked into the office of University of Chicago's President Robert...
Joyce's curious glasses give him a somewhat Martian appearance. The left lens is so thick it is almost a hemisphere, and to focus it is necessary for him to throw back his head slightly when looking at people. Ten years ago, Joyce could not see with his left...
"The Government's fiscal picture must be carefully scanned, and that doesn't mean next year, but now-and . . . not through a colored lens. . . . I am opposed, unless exceptional circumstances arise, to increasing by law the present limit of the national debt. The only way . . . is to begin...
Before the development of Alnico and other "age-hardening" alloys like it, permanent magnets were all quenched steels. In the newer alloys "magnetic hardness" is obtained by slow, controlled cooling. They provide more magnetic force at lower cost. The increased power of the Alnico magnet shown last week, designed by...
Several weeks ago, when the infection following the burn had abated, Hoffman went to Hagerstown, and asked Dr. Paul Nelson Fleming if he would ever be able to see again. Dr. Fleming examined his eyes, discovered that the fragile, shell-like corneas were completely useless, that each lens and iris...